note 66224 added to function.rand

I'm looking for a simple way to generate pseudo-random (non-repeating) numbers in a given range. I'm using it to generate ad banner images on a page, and I can't have more than one ad per page... Thanks in advance.... ---- Server IP: 216.194.113.175 Probable Submitter: 64.238.177.48 ---- X-Spam-Status: No, hits=3.1 required=5.0 tests=DATE_MISSING,FROM_NO_LOWER autolearn=no version=2.64 ---- Manual Page -- http://www.php.net/manual/en/function.rand.php Edit -- http://master.php.net/note/edit/66224 Del: integrated -- http://master.php.net/note/delete/66224/integrated Del: useless -- http://master.php.net/note/delete/66224/useless Del: bad code -- http://master.php.net/note/delete/66224/bad+code Del: spam -- http://master.php.net/note/delete/66224/spam Del: non-english -- http://master.php.net/note/delete/66224/non-english Del: in docs -- http://master.php.net/note/delete/66224/in+docs Del: other reasons-- http://master.php.net/note/delete/66224 Reject -- http://master.php.net/note/reject/66224 Search -- http://master.php.net/manage/user-notes.php